    .rubric {
        width: 92%;
        overflow: auto;
        margin: auto;
        border-radius: 5px;
        border: 1px solid black;
    }
    
    .rubric_topic {
        width: 98%;
        margin: 5px auto;
        height: 50px;
        border: 1px solid black;
    }
    
    .rubric_funtioned {
        width: 40px !important;
        height: 15px !important;
        float: left;
        margin-left: 10px;
        font-size: 16px;
        color: #6a6767;
    }
    
    .rub_btn {
        margin-left: 30px;
        width: 80px;
        height: 50px;
    }
    
    .rub_btn p {
        margin-top: -30%;
        margin-left: -100%;
        vertical-align: middle;
        text-align: center;
    }
    
    .rubric_topic span {
        float: left;
        line-height: 50px;
        margin-left: 20px;
    }
    
    .rubric_item,
    .rubric_examples {
        width: 98%;
        margin: auto;
        overflow: auto;
    }
    
    .rubric_examples p {
        margin-left: -95%;
    }
    
    .rubric_item,
    .rubric_example {
        min-height: 200px;
        overflow: auto;
        margin: 10px auto;
        border: 1px solid black;
    }
    
    .rubric_example {
        border-radius: 5px;
        background: #f2f3f4;
    }